2-Bromoethanesulfonic acid, sodium salt 26978-65-4 4263-52-9 61829-40-1 AI3-52298 EINECS 224-244-4 Ethanesulfonic acid, 2-bromo-, sodium salt NSC 447 Sodium 2-bromoethanesulfonate Sodium 2-bromoethanesulphonate Sodium bromoethylsulfonate